/* Copyright 2019 The OpenTracing Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.opentracing.contrib.specialagent.test.spring.scheduling;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;

import io.opentracing.contrib.specialagent.TestUtil;

@Component
public class AsyncComponent {
  @Async
  public Future<String> async() {
    TestUtil.checkActiveSpan();
    return new Future<String>() {
      @Override
      public boolean cancel(final boolean mayInterruptIfRunning) {
        return false;
      }

      @Override
      public boolean isCancelled() {
        return false;
      }

      @Override
      public boolean isDone() {
        return false;
      }

      @Override
      public String get() throws InterruptedException, ExecutionException {
        return "async";
      }

      @Override
      public String get(final long timeout, final TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
        return get();
      }
    };
  }
}